1223386420 has 24 divisors (see below), whose sum is σ = 2573109504. Its totient is φ = 488593056.

The previous prime is 1223386397. The next prime is 1223386427. The reversal of 1223386420 is 246833221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223386427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34332 + ... + 60211.

It is an arithmetic number, because the mean of its divisors is an integer number (107212896).

Almost surely, 2^1223386420 is an apocalyptic number.

1223386420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223386420 is an abundant number, since it is smaller than the sum of its proper divisors (1349723084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223386420 is a wasteful number, since it uses less digits than its factorization.

1223386420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95199 (or 95197 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1223386420 is about 34976.9412613510. The cubic root of 1223386420 is about 1069.5174753918.

The spelling of 1223386420 in words is "one billion, two hundred twenty-three million, three hundred eighty-six thousand, four hundred twenty".